Donald C. Williams. “Form and Matter.” Published in Phil. Rev. 67.3 (1958) 291-312, 399-421. There is an extended essay on the work of Donald Cary Williams, by K. Campbell, J. Franklin, and D. Ehring, in Stanford Encyclopedia of Philosophy.

Meeting with the American Philological Association in Washington DC 1957

W. Gerson Rabinowitz, “Numbers and Magnitudes: An Iamblichean Derivation Theory and Its Relation to Speusippean and Aristotelian Doctrine.” See his Aristotle's Protrepticusand the sources of its reconstruction, University of California Press, 1957.